Home / 347,481.20-521,610.60-268,943.60

Finding the Fourth Proportional to 347,481.20, 521,610.60 and 268,943.60

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Solution

The fourth proportional to 347,481.20, 521,610.60 and 268,943.60 is: 403,716.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,481.20 : 521,610.60 = 268,943.60 : x
  2. Step 2: Convert to fraction form
    347,481.20/521,610.60 = 268,943.60/x
  3. Step 3: Cross multiply
    347,481.20x = 521,610.60 × 268,943.60
  4. Step 4: Simplify right side
    347,481.20x = 140,283,832,562.16
  5. Step 5: Solve for x
    x = 140,283,832,562.16/347,481.20
  6. Step 6: Final answer
    x = 403,716.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.